infidelity

[ in-fi-del-i-tee ]
See synonyms for infidelity on Thesaurus.com
noun,plural in·fi·del·i·ties.
  1. marital disloyalty; adultery.

  2. unfaithfulness; disloyalty.

  1. lack of religious faith, especially Christian faith.

  2. a breach of trust or a disloyal act; transgression.

Origin of infidelity

1
First recorded in 1375–1425; late Middle English, from Latin infidēlitās; equivalent to infidel + -ity

Words Nearby infidelity

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use infidelity in a sentence

British Dictionary definitions for infidelity

infidelity

/ (ˌɪnfɪˈdɛlɪtɪ) /


nounplural -ties
  1. lack of faith or constancy, esp sexual faithfulness

  2. lack of religious faith; disbelief

  1. an act or instance of disloyalty

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012